Arista Networks, Inc.
A maker of cloud and AI networking gear, Arista builds the Ethernet switches, EOS operating system, and CloudVision management platform that keep data centers, campuses, and wide-area networks running. It was founded in 2004 by Andy Bechtolsheim (a Sun Microsystems co-founder), David Cheriton, and Kenneth Duda, and launched in 2008 under the name Arista — a nod to the Greek word "aristos," meaning "best."
Granted 158.0K · Sold 1.15M
Granted 913.9K · Sold 9.79M
Granted 1.57M · Sold 2.25M
Granted 7.7K · Sold 226.0K
Granted 7.7K · Sold 1.0K
Granted 7.7K
Granted 71.8K
Granted 159.3K · Sold 11.3K
Granted 137.2K
Granted 25.9K · Sold 34.0K
Granted 7.7K
Granted 7.7K · Sold 6.9K
Granted 7.7K · Sold 7.7K
Granted 112.8K · Sold 64.7K
Granted 4.6K
Granted 164.7K · Sold 94.5K
| Insider | Stake change | Holds now | Granted / vested | Bought | Sold |
|---|---|---|---|---|---|
| Bechtolsheim Andreas10% owner · 41 transactions | +297.9% | 182.69M | 158.0K | — | 1.15M |
| Ullal JayshreeCEO and Chairperson, Director · 425 transactions | +146.6% | 25.87M | 913.9K | — | 9.79M |
| Duda KennethPresident and CTO, Director · 762 transactions | +146.7% | 3.62M | 1.57M | — | 2.25M |
| Giancarlo Charles HDirector · 224 transactions | — | 225.1K | 7.7K | — | 226.0K |
| Scheinman DanielDirector · 18 transactions | +322% | 158.7K | 7.7K | — | 1.0K |
| Templeton Mark BDirector · 12 transactions | +340.4% | 133.6K | 7.7K | — | — |
| Sadana AnshulSVP, Chief Operating Officer · 28 transactions | +77.6% | 72.2Kas of May 2024 | 71.8K | — | — |
| Breithaupt Chantelle YvetteSenior Vice President, CFO · 22 transactions | — | 70.5K | 159.3K | — | 11.3K |
| Nightingale ToddPresident and COO · 5 transactions | — | 69.5K | 137.2K | — | — |
| Brennan Ita MSenior Vice President, CFO · 22 transactions | -4.3% | 33.1Kas of Dec 2023 | 25.9K | — | 34.0K |
| Chew LewisDirector · 12 transactions | +551.7% | 31.8K | 7.7K | — | — |
| Wassenaar YvonneDirector · 61 transactions | +285.4% | 10.3K | 7.7K | — | 6.9K |
| Battles Kelly BodnarDirector · 94 transactions | +236.8% | 10.2K | 7.7K | — | 7.7K |
| McCool John FChief Platform Officer · 129 transactions | +4691.7% | 6.9Kas of Feb 2025 | 112.8K | — | 64.7K |
| Lavender Robert GDirector · 6 transactions | — | 4.6K | 4.6K | — | — |
| Taxay MarcSVP and General Counsel · 147 transactions | -100% | 0as of Mar 2025 | 164.7K | — | 94.5K |
Select a row to see that insider’s individual transactions. Sum of the holdings confirmed in the 12 months before this insider's last filing. A Form 4 reports a holding per line — held directly, or through a named trust, partnership or foundation, and in each share class separately — never a person’s total. Lines not restated in that time are left out and shown apart: an active filer restates what they still hold, so a line they did not restate is more often an entity since renamed, whose shares a successor line reports too. An amber marker means some were left out.
Net open-market activity over the last 3 years: -13.64M shares. Grants, option exercises and tax withholding are excluded — they are compensation mechanics, not decisions to buy or sell.